4 Man-made Structures- Other to Explore in Calabarzon

Battery Way is armed with four 12-inch mortar carriages capable of firing highly explosive shells as far as 8.3 miles or 13.35 km in any direction. Each mortar required a crew of at least 14 men to load and fire the shells. The mortars could be lifted to a trajectory between 45 to 70 degrees, which made them ideal for targeting enemies entrenched in higher ground in Bataan. The battery was named after Second Lt. Henry Way of the 4th U.S. Artillery, who died in service in the Philippines in 1900.

Malinta Tunnel is a large tunnel complex that served as a bomb shelter in Corregidor Island. It has over 24 lateral tunnels that are branching off its main tunnel. This was initially used for storage and bunker purposes but a part of it was later used as a hospital during World War II.

This is a pilgrimage center dedicated to Mary, Mother of All Asia. The development was conceived as a destination to attract devotees and pilgrims. It can be considered as a tourism and/or retirement village. The Mother of All Asia TOWER of PEACE will be the icon and pilgrimage destination not only of the entire Philippines and eventually of all Asia and the World. The 8-hectare World Destination project is nestled at the heart of the 130-hectare township in Montemaria, Batangas City.

The Pililla Windmill Farm is a 30-megawatt wind farm located in the province of Rizal, Philippines. The wind farm was constructed by the Ayala Corporation and started commercial operations in 2015. The wind farm consists of 27 wind turbines, each with a capacity of 1.1 MW. The total investment for the project was US$75 million. The Pililla Windmill Farm generates enough electricity to power approximately 32,000 homes and offset the emissions of 55,000 tons of CO2 per year.